Northern Ireland Index of Services

The Northern Ireland Index of Services (IOS) is an important short term measure of changes in the output of the private sector service industries within Northern Ireland.

The IOS is a quarterly sample survey of around 3,500 companies designed to provide a general measure of changes in the output of the Wholesale, retail, repair, Accommodation & food services; Transport, storage, information & communication; Business services and finance; Other services sectors. It is based on up-to-date information about the output and sales of the services industry. The Index is published quarterly in March, June, September and December of each year.

北爱尔兰服务业指数（IOS）是衡量北爱尔兰私营部门服务业产出变化的短期重要指标。IOS是一项涵盖约3500家公司的季度样本调查，旨在提供一个关于批发、零售、维修、住宿与餐饮服务；运输、仓储、信息与通信；商务服务与金融；以及其他服务行业产出变化的总体衡量标准。该指数基于服务业产出与销售的最新信息编制而成，并按季度于每年的三月、六月、九月和十二月发布。